Home / 14,099.30-21,153.74-4,740.31

Finding the Fourth Proportional to 14,099.30, 21,153.74 and 4,740.31

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Solution

The fourth proportional to 14,099.30, 21,153.74 and 4,740.31 is: 7,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.30 : 21,153.74 = 4,740.31 : x
  2. Step 2: Convert to fraction form
    14,099.30/21,153.74 = 4,740.31/x
  3. Step 3: Cross multiply
    14,099.30x = 21,153.74 × 4,740.31
  4. Step 4: Simplify right side
    14,099.30x = 100,275,285.26
  5. Step 5: Solve for x
    x = 100,275,285.26/14,099.30
  6. Step 6: Final answer
    x = 7,112.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.